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Userland: Don't leak buffer from getline in shuf program

Probably doesn't matter too too much since the program exits almost
immediately after, but there's the principle of the thing to consider.
Andrew Kaster 4 年之前
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c2d8b8ec14
共有 1 个文件被更改,包括 4 次插入4 次删除
  1. 4 4
      Userland/Utilities/shuf.cpp

+ 4 - 4
Userland/Utilities/shuf.cpp

@@ -40,12 +40,11 @@ int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
 
     Vector<String> lines;
 
+    char* buffer = nullptr;
     for (;;) {
-        char* buffer = nullptr;
-        ssize_t buflen = 0;
-        size_t n;
+        size_t n = 0;
         errno = 0;
-        buflen = getline(&buffer, &n, stdin);
+        ssize_t buflen = getline(&buffer, &n, stdin);
         if (buflen == -1 && errno != 0) {
             perror("getline");
             exit(1);
@@ -54,6 +53,7 @@ int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
             break;
         lines.append({ buffer, AK::ShouldChomp::Chomp });
     }
+    free(buffer);
 
     // Fisher-Yates shuffle
     String tmp;